Quick answers
- Does Kristina Wittig accept Medicare assignment?
- Yes. Medicare's clinician data says Kristina Wittig accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of October 2, 2026. Ask the office to confirm before your visit.
- How many Medicare patients does Kristina Wittig see?
- In 2024, CMS data shows 555 Original Medicare patients and 3,399 services for Kristina Wittig. This counts Original Medicare only and measures volume, not quality.
- What is Kristina Wittig's NPI number?
- 1215995998. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Medicare activity in 2024
Official CMS public-use data for Kristina Wittig, data year 2024 (released May 21, 2026). It covers Original Medicare (fee-for-service) patients only, not Medicare Advantage or other insurance. It shows volume, not quality or outcomes. CMS hides any count of 10 or fewer patients.
| Original Medicare patients | 555 |
|---|---|
| Services billed to Medicare | 3,399 |
| Different services or procedures | 81 |
| Participating Medicare provider | Yes |
| Average age of these patients | 73 |
Most frequent services
- Injection, onabotulinumtoxina, 1 unit (J0585)2,000 services
- Telephone medical discussion with physician, 11-20 minutes (99442)278 services
- Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)208 services
- Diagnostic exam of bladder and urethra using an endoscope (52000)125 services
- New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more (99204)91 services
Chronic conditions among these patients
Share of this clinician’s Original Medicare patients with each condition, as published by CMS (it describes the patients, not the care given).
- High blood pressure75%
- High cholesterol75%
- Arthritis48%
- Diabetes43%
- Cancer (breast, colorectal, lung, prostate, endometrial or leukemia/lymphoma)39%
- Chronic kidney disease33%
Hospitals where Kristina Wittig works
Medicare's Facility Affiliation Data lists Kristina Wittig at these hospitals (updated October 2, 2026). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians. Star rating and emergency services: Hospital General Information (CMS), data updated October 26, 2026.
- Antelope Valley HospitalLancaster, CA · Acute Care Hospital · Medicare rating: 1 of 5 stars · Emergency services: listed by Medicare · CCN 050056
- Henry Mayo Newhall HospitalValencia, CA · Acute Care Hospital · Medicare rating: 2 of 5 stars · Emergency services: not listed by Medicare · CCN 050624
- Palmdale Regional Medical CenterPalmdale, CA · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 050204
- Providence Holy Cross Medical CenterMission Hills, CA · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 050278
Practice locations
Addresses where Kristina Wittig is enrolled with Medicare (CMS data updated October 2, 2026). The first 5 of 6; the Medicare profile lists all.
- 1500 Duarte RdDuarte, CA 91010 (626) 256‑4673
- 1500 E Duarte RdDuarte, CA 91010
- 15031 Rinaldi St, Suite 100and150Mission Hills, CA 91345 (818) 496‑4410
- 209 Fair Oaks AveSouth Pasadena, CA 91030 (626) 396‑2900
- 23823 Valencia Blvd, Suite 250Santa Clarita, CA 91355 (626) 775‑3200
Group practices
Medicare enrollment lists Kristina Wittig as a member of this group (CMS data updated October 2, 2026).
- City of Hope Medical Foundation982 clinicians in the group
Specialties
- Urologyprimary
Other urologists in Duarte
Clinicians with the same Medicare primary specialty in Duarte, CA — not a recommendation.
Other clinicians in City of Hope Medical Foundation
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | PA |
|---|---|
| Graduation year | 2008 |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| Telehealth | Offers telehealth services |
| NPI (National Provider Identifier) | 1215995998 |
| Corrections | Report an error or suggest an update → |
Most corrections must be made at the source: clinicians update their NPI Registry record (NPPES) and their Medicare enrollment (PECOS); this page follows the next data release.
Sources
- Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated October 2, 2026, retrieved October 29, 2026
- Hospital General Information — CMS, data updated October 26, 2026, retrieved November 13, 2026
- National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
- Medicare Physician & Other Practitioners - by Provider — CMS, data year 2024, released May 21, 2026; Medicare Physician & Other Practitioners - by Provider and Service
- NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
- Medicare Care Compare — official Medicare tool to look up clinicians